Home / 123,529.62-170,470.86-66,941.00

Finding the Fourth Proportional to 123,529.62, 170,470.86 and 66,941.00

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Solution

The fourth proportional to 123,529.62, 170,470.86 and 66,941.00 is: 92,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,529.62 : 170,470.86 = 66,941.00 : x
  2. Step 2: Convert to fraction form
    123,529.62/170,470.86 = 66,941.00/x
  3. Step 3: Cross multiply
    123,529.62x = 170,470.86 × 66,941.00
  4. Step 4: Simplify right side
    123,529.62x = 11,411,488,986.91
  5. Step 5: Solve for x
    x = 11,411,488,986.91/123,529.62
  6. Step 6: Final answer
    x = 92,378.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.